Numeric Value: 30

The folowing table expresses '30' in various number bases. 'DRx' shows the result of 'digit reducing' resulting in an X-digit long number.

BaseDR5DR4DR3DR2DR1
211110 100 1
3 1010  2
4  132123
5  110 2
6   505
7   426
8   36,112
9   336
10   303
11   28A
12   268
13   246
14   224
15   202
16   1EF

Math World

Factors: 2 * 3 * 5

30 is the number of edges in a Dodecahedron.

30 is the number of edges in a Icosahedron.

A 'Triacontagon' is a 'regular polygon' with 30 sides.

Physical World

30 is the atomic weight of Zinc (Zn).